Defects in Nd2CuO4 and Nd1.815Ce0.185CuO4 single crystals期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Defects in Nd₂CuO₄ and Nd_1.815Ce_0.185CuO₄ single crystals

Authors:	L. S. Jia W. Yang X. L. Chen X. L. Yan

Affiliation:	^a Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, South 3rd Street, ZhongGunCun, Beijing 100080, PR China ^b Department of Physics, Beihang University, Beijing 100080, PR China

Abstract:	We describe here four kinds of defects found in Nd₂CuO₄ and Nd_1.815Ce_0.185CuO₄ single crystals grown by the traveling solvent floating zone method. These defects include: (1) cracks, (2) inclusions, (3) gas bubbles and (4) uneven distribution of Ce⁴⁺. The formation mechanism of these defects and the measures of eliminating these defects are discussed. It is thought that the preparation of raw materials and stringent growth conditions are necessary to obtain high quality of Nd₂CuO₄ and Nd_1.815Ce_0.185CuO₄ single crystals.

Keywords:	Defects Nd₂CuO₄ single crystal Nd_1.815Ce_0.185CuO₄ single crystal TSFZ method
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